Group extension

en

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Group extension

Quality:

Group extension - group for which a given group is a normal subgroup. Article “Group extension” in English Wikipedia has 27.9 points for quality (as of July 1, 2025). The article contains 5 references and 9 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “Group extension”, its content was written by 80 registered users of English Wikipedia and edited by 134 registered Wikipedia users in all languages.

The article is cited 143 times in English Wikipedia and cited 457 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #3418 in October 2002
  • Global: #5969 in October 2002

The highest popularity rank from 2008:

  • Local (English): #313086 in October 2023
  • Global: #455752 in October 2023

There are 15 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Group extension
27.9059
2Ukrainian (uk)
Розширення групи
21.1497
3Indonesian (id)
Ekstensi grup
19.8733
4Portuguese (pt)
Extensão de grupo
19.2204
5Catalan (ca)
Extensió de grup
18.2607
6Russian (ru)
Расширение группы
17.7888
7Korean (ko)
군의 확대
16.3709
8Japanese (ja)
群の拡大
15.1305
9Spanish (es)
Extensión de grupo
8.8994
10French (fr)
Extension de groupes
7.7271
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Group extension" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Group extension
374 493
2Japanese (ja)
群の拡大
30 610
3French (fr)
Extension de groupes
15 345
4Spanish (es)
Extensión de grupo
10 366
5Chinese (zh)
群擴張
10 351
6Russian (ru)
Расширение группы
6 166
7Portuguese (pt)
Extensão de grupo
4 060
8Korean (ko)
군의 확대
3 231
9Esperanto (eo)
Centra vastigaĵo
3 040
10German (de)
Gruppenerweiterung
1 890
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Group extension" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Group extension
2 570
2Japanese (ja)
群の拡大
164
3Chinese (zh)
群擴張
94
4French (fr)
Extension de groupes
86
5Russian (ru)
Расширение группы
61
6Spanish (es)
Extensión de grupo
30
7German (de)
Gruppenerweiterung
21
8Portuguese (pt)
Extensão de grupo
18
9Korean (ko)
군의 확대
15
10Ukrainian (uk)
Розширення групи
8
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Group extension" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Group extension
80
2Esperanto (eo)
Centra vastigaĵo
8
3Spanish (es)
Extensión de grupo
8
4Japanese (ja)
群の拡大
6
5French (fr)
Extension de groupes
5
6Russian (ru)
Расширение группы
5
7Chinese (zh)
群擴張
4
8Catalan (ca)
Extensió de grup
3
9German (de)
Gruppenerweiterung
3
10Indonesian (id)
Ekstensi grup
3
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Group extension" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Extensió de grup
0
2German (de)
Gruppenerweiterung
0
3English (en)
Group extension
0
4Esperanto (eo)
Centra vastigaĵo
0
5Spanish (es)
Extensión de grupo
0
6Persian (fa)
توسیع گروهی
0
7Finnish (fi)
Ryhmien laajentaminen
0
8French (fr)
Extension de groupes
0
9Indonesian (id)
Ekstensi grup
0
10Japanese (ja)
群の拡大
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Group extension" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Group extension
143
2Chinese (zh)
群擴張
115
3Japanese (ja)
群の拡大
38
4French (fr)
Extension de groupes
34
5Korean (ko)
군의 확대
28
6Indonesian (id)
Ekstensi grup
19
7Russian (ru)
Расширение группы
19
8Spanish (es)
Extensión de grupo
17
9Ukrainian (uk)
Розширення групи
15
10German (de)
Gruppenerweiterung
8
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
Extensió de grup
deGerman
Gruppenerweiterung
enEnglish
Group extension
eoEsperanto
Centra vastigaĵo
esSpanish
Extensión de grupo
faPersian
توسیع گروهی
fiFinnish
Ryhmien laajentaminen
frFrench
Extension de groupes
idIndonesian
Ekstensi grup
jaJapanese
群の拡大
koKorean
군의 확대
ptPortuguese
Extensão de grupo
ruRussian
Расширение группы
ukUkrainian
Розширення групи
zhChinese
群擴張

Popularity rank trends

Best Rank English:
#313086
10.2023
Global:
#455752
10.2023

AI rank trends

Best Rank English:
#3418
10.2002
Global:
#5969
10.2002

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Group extension from Wikipedia articles about Central extension, Solvable group, Semidirect product, Classification of finite simple groups and Quotient group. Whereas reading the article about Group extension people most often go to Wikipedia articles on Exact sequence, Semidirect product, Ext functor, Normal subgroup and Group cohomology.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 26 September 2025

On 26 September 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Claudia Cardinale, One Battle After Another, ChatGPT, Alice in Borderland, Guinness, deaths in 2025, Benjamin Netanyahu, Assata Shakur, Charlie Kirk, Arthur Guinness.

In English Wikipedia the most popular articles on that day were: Google Chrome, Assata Shakur, James Comey, Voddie Baucham, They Call Him OG, Wounded Knee Massacre, Deaths in 2025, Ryder Cup, House of Guinness, Snake Eyes (1998 film).

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information